三株单菌株及其复合菌剂对蕲艾的促生效应研究  

Study on promoting effect of three single strains and their compoundbacterial agents on Artemisia argyi var. argyi cv. Qiai

作　　者：郑玥 黄文涛 陈思语 周桢瑞 徐碧林 ZHENG Yue;HUANG Wen-tao;CHEN Si-yu;ZHOU Zhen-rui;XU Bi-lin(Hubei Key Laboratory of Economic Forest Germplasm Improvement and Resources Comprehensive Utilization,Hubei Collaborative Innovation Center for the Characteristic Resources Exploitation of Dabie Mountains,College of Biological and Agricultural Resources,Huanggang Normal University,Huanggang 438000,Hubei,China)

机构地区：[1]经济林木种质改良与资源综合利用湖北省重点实验室,大别山特色资源开发湖北省协同创新中心,黄冈师范学院生物与农业资源学院,湖北黄冈438000

出　　处：《黄冈师范学院学报》2024年第5期26-32,37,共8页Journal of Huanggang Normal University

基　　金：湖北省高等学校优秀中青年科技创新团队项目(T2020027)。

摘　　要：本研究旨在筛选对蕲艾种子萌发和幼苗生长具有促进作用的蕲艾内生细菌,为开发蕲艾专用促生菌剂提供科学依据。通过采用钼蓝比色法、原子吸收分光光度计和Salkowski比色法,测定了菌株Acinetobacter pittii lzy1、Pseudomonas psychrotolerans lzy2、Curtobacterium luteum lzy9及其1∶1∶1复合菌剂在溶解有机磷、溶解无机磷、解钾和产IAA方面的能力,并评估了它们对基质养分的影响及对蕲艾种子萌发和幼苗生长的促进作用。研究结果显示,复合菌剂lzy129在这些方面相较于单一菌剂表现出显著优势,尤其在对蕲艾种子萌发和幼苗生长的促进作用上更为突出。此外,本研究首次利用植物源的Acinetobacter pittii成功制备了复合菌剂。这一研究为进一步研发蕲艾专用微生物菌肥,推动蕲艾产业的可持续发展奠定了坚实基础。This study aims to screen out endophytic bacteria of Artemisia argyi var.argyi cv.Qiai that promote seed germination and seedling growth,providing a scientific basis for the development of special growth-promoting bacterial agents for Artemisia argyi.By employing the molybdenum blue colorimetric method,atomic absorption spectrophotometry,and Salkowski colorimetric method,the abilities of strains Acinetobacter pittii lzy1,Pseudomonas psychrotolerans lzy2,Curtobacterium luteum lzy9,and their 1∶1∶1 composite bacterial agent in solubilizing organic phosphorus,solubilizing inorganic phosphorus,releasing potassium,and producing indole-3-acetic acid(IAA)were determined.Furthermore,their impacts on substrate nutrients and the promotion of Artemisia argyi seed germination and seedling growth were evaluated.The results revealed that the composite bacterial agent lzy129 exhibited significant advantages over single bacterial agents in these aspects,particularly in promoting Artemisia argyi seed germination and seedling growth.Additionally,this study marks the first successful preparation of a composite bacterial agent utilizing the plant-derived Acinetobacter pittii.This research lays a solid foundation for the further development of specialized microbial fertilizers for Artemisia argyi and promotes the sustainable development of the Artemisia argyi industry.

关 键 词：蕲艾 复合菌剂 溶磷 解钾 产IAA 促生 

分 类 号：S182[农业科学—农业基础科学]